/*
 * Copyright 2010-2016 OrientDB LTD (http://orientdb.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.orientechnologies.orient.test.internal.network;

import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;

public class TcpServer {
  public static final int COMM_PORT = 5050; // socket port for client comms

  private ServerSocket serverSocket;
  private byte[] payload;

  /** Default constructor. */
  public TcpServer() {
    initServerSocket();

    long transferred = 0;
    long date = System.currentTimeMillis();

    try {
      while (true) {
        // listen for and accept a client connection to serverSocket
        Socket sock = this.serverSocket.accept();
        sock.setSendBufferSize(65000);

        InputStream iStream = sock.getInputStream();
        OutputStream oStream = sock.getOutputStream();
        ObjectOutputStream ooStream = new ObjectOutputStream(oStream);
        ObjectInputStream iiStream = null;
        for (int i = 0; i < 1000000; ++i) {
          this.payload = new String("10|Gipsy|European|Rome|300.00").getBytes();

          ooStream.writeInt(this.payload.length);
          transferred += 4;
          ooStream.write(this.payload); // send serialized payload
          transferred += this.payload.length;

          ooStream.flush();
          oStream.flush();

          if (iiStream == null) iiStream = new ObjectInputStream(iStream);

          iiStream.readByte();
        }
        ooStream.writeInt(0);

        System.out.println(
            "Transferred total MB: "
                + (float) transferred / 1000000
                + " in "
                + (System.currentTimeMillis() - date)
                + "ms");

        Thread.sleep(1000);
        ooStream.close();
      }
    } catch (SecurityException se) {
      System.err.println("Unable to get host address due to security.");
      System.err.println(se.toString());
    } catch (IOException ioe) {
      System.err.println("Unable to read data from an open socket.");
      System.err.println(ioe.toString());
    } catch (InterruptedException ie) {
      Thread.currentThread().interrupt();
    } // Thread sleep interrupted
    finally {
      try {
        this.serverSocket.close();
      } catch (IOException ioe) {
        System.err.println("Unable to close an open socket.");
        System.err.println(ioe.toString());
        System.exit(1);
      }
    }
  }

  /** Initialize a server socket for communicating with the client. */
  private void initServerSocket() {
    try {
      this.serverSocket = new java.net.ServerSocket(COMM_PORT);
      assert this.serverSocket.isBound();
      if (this.serverSocket.isBound()) {
        System.out.println(
            "SERVER inbound data port "
                + this.serverSocket.getLocalPort()
                + " is ready and waiting for client to connect...");
      }
    } catch (SocketException se) {
      System.err.println("Unable to create socket.");
      System.err.println(se.toString());
      System.exit(1);
    } catch (IOException ioe) {
      System.err.println("Unable to read data from an open socket.");
      System.err.println(ioe.toString());
      System.exit(1);
    }
  }

  /** Run this class as an application. */
  public static void main(String[] args) {
    new TcpServer();
  }
}
